package servlet;

import model.User;
import service.UserService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

@WebServlet(name = "QueryAllServlet",urlPatterns = "/QueryAllServlet")
public class QueryAllServlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        UserService userService=new UserService();
        List<User> userList = userService.userQueryAllService();
        request.getSession().setAttribute("userList",userList);
        System.out.println("查询所有的学生……");
        response.sendRedirect("main.jsp");
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    this.doPost(request,response);
    }
}
